2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/78373We show that analytic torsion of smooth theta divisor is represented by a Siegel modular form characterizing the Andreotti-Mayer locus if its dimension is positive.AMS-Tex, J. Diff. Geom. (to appear)Algebraic Geometrytext